499142-01-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 499142-01-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,9,1,4 and 2 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 499142-01:
(8*4)+(7*9)+(6*9)+(5*1)+(4*4)+(3*2)+(2*0)+(1*1)=177
177 % 10 = 7
So 499142-01-7 is a valid CAS Registry Number.